so now why is the fbi saying that they are going to use facebook? today they say, after all this time, they are going to ask for help for tips via facebook to help them in this investigation. is this -- are we reading too much into it or is it a sign that they don't have too much to go on? >> the fbi has solved cases of international terrorism and always takes old-fashion investigative methods. shoe leather, sweat, time. the patrolling of tips on facebook and twitter, sounds pretty ridiculous. >> it does. why would they be doing that, do you think? >> let me ask you this. if you knew something about a case of murder or terrorism and the fbi asked you for information, would you post it on the internet? this is a job for the cia. >> they waited three weeks until they visited the compound on october 4th because of security concerns. they said they weren't going to put agents in harm's way. they were worried. cnn went to the compound before and found the ambassador's journal. would the evidence have been compromised. what the fbi needs is many informant